PLEASE PLEASE PLEASE HELP ME

One number is eleven less than another. If their sum is increased by seven, the result is 90. Find the numbers. (Enter your answers as a comma-separated list.)

Respuesta :

akephd
Let the numbers be x and y.
X-11=y
X+y+7=90 or x+7=-y+90
Add the 2 equations together.
2x-4=90
2x=94
X=47
So 47+y+7=90 so y+54=90 so y=36

Check in other equation:
X-11=y
47-11=36
36=36 it works

So your numbers are 47, 36